Re: [PATCH net] net: dsa: don't assign an error value to tag_ops

[Florian Fainelli]

On 3/22/2021 1:26 PM, George McCollister wrote:
> Use a temporary variable to hold the return value from
> dsa_tag_driver_get() instead of assigning it to dst->tag_ops. Leaving
> an error value in dst->tag_ops can result in deferencing an invalid
> pointer when a deferred switch configuration happens later.
> 
> Fixes: 357f203bb3b5 ("net: dsa: keep a copy of the tagging protocol in the DSA switch tree")
> 
> Signed-off-by: George McCollister <george.mccollister@xxxxxxxxx>

Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
-- 
Florian